Electrophotography – Image formation – Development
Reexamination Certificate
2006-04-25
2006-04-25
Grainger, Quana (Department: 2852)
Electrophotography
Image formation
Development
Reexamination Certificate
active
07035573
ABSTRACT:
An object of the present invention is to provide a developing apparatus capable of reducing unevenness of density of an image in a longitudinal direction of a photosensitive member. For this purpose, in the present invention, a developing apparatus includes a developer bearing member, and a developer carrying screw placed adjacently to the developer bearing member in parallel with the developer bearing member, and an inclination angle of “a carrying surface facing in a developer carrying direction of a spiral blade of the developer carrying screw” to a shaft of the developer carrying screw is equal to or less than 60 degrees.
REFERENCES:
patent: 5204721 (1993-04-01), Sharpe
patent: 5614994 (1997-03-01), Kreiter
patent: 5835828 (1998-11-01), Jyoroku
patent: 5963766 (1999-10-01), Okuno et al.
patent: 6021291 (2000-02-01), Karakama et al.
patent: 6324369 (2001-11-01), Yamaguchi et al.
patent: 6337957 (2002-01-01), Tamaki et al.
patent: 6381419 (2002-04-01), Kinoshita et al.
patent: 6381431 (2002-04-01), Kinoshita et al.
patent: 6421516 (2002-07-01), Kinoshita et al.
patent: 6463242 (2002-10-01), Kojima et al.
patent: 6574442 (2003-06-01), Kibune
patent: 6577834 (2003-06-01), Suzuki
patent: 6587660 (2003-07-01), Ueno et al.
patent: 6687474 (2004-02-01), Yamada et al.
patent: 2002/0025173 (2002-02-01), Isobe et al.
patent: 2002/0146252 (2002-10-01), Yamaguchi
patent: 2003/0021609 (2003-01-01), Yamaguchi et al.
patent: 2003/0123889 (2003-07-01), Isobe et al.
patent: 3-42692 (1991-02-01), None
patent: 4-174471 (1992-06-01), None
patent: 09325609 (1997-12-01), None
patent: 10-69154 (1998-03-01), None
patent: 10-221937 (1998-08-01), None
patent: 2002-31940 (2002-01-01), None
patent: 2002-162815 (2002-06-01), None
patent: 2002278270 (2002-09-01), None
Computer translation of cited reference JP 10-221937A.
Patent Abstracts of Japan, Kokai No. 10-221937, Aug. 21, 1998.
Patent Abstracts of Japan Publication No. 2002-278270, Sep. 27, 2002.
Computer generated, English-language Translation of JP 2002-278270.
Kinoshita Masahide
Murayama Kazunari
Numagami Atsushi
Ueno Takahito
Uyama Masao
LandOfFree
Developing apparatus having developer carrying screw with a... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Developing apparatus having developer carrying screw with a..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Developing apparatus having developer carrying screw with a... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3569009